After McKenna & Bell, 1997, and Alroy, 2002
†Esthonyx Cope, 1874
†Plesiesthonyx Lemoine, 1891
†Azygonyx Gingerich, 1989
†Esthonyx acutidens Cope, 1881
†Esthonyx acutidens Cope, 1881
†Esthonyx bisulcatus Stucky & Krishtalka, 1983
†Esthonyx acutidens Cope; Gingerich; 1989
†Esthonyx ancylion Gingerich & Gunnell, 1979
†Esthonyx ancylion Gingerich & Gunnell, 1979
†Azygonyx ancylion (Gingerich & Gunnell) Gingerich, 1989
†Esthonyx ancylion Gingerich & Gunnell; Lucas & Schoch, 1998a
†Esthonyx bisculatus Cope, 1874
†Esthonyx bisulcatus Cope, 1874
†Esthonyx acer Cope, 1874
= †Esthonyx bisulcatus (Cope); Simpson, 1937c
= †Esthonyx bisulcatus (Cope); Gazin, 1953
= †Esthonyx bisulcatus (Cope); Gingerich & Gunnell, 1979
= †Esthonyx bisulcatus (Cope); Lucas & Schoch, 1998a
†Esthonyx burmeisterii Cope, 1874
= †Esthonyx bisulcatus Cope; Simpson, 1937c
= †Esthonyx bisulcatus Cope; Gazin, 1953
= †Esthonyx bisulcatus Cope; Gingerich & Gunnell, 1979
= †Esthonyx bisulcatus Cope; Lucas & Schoch, 1998a
?†Esthonyx burmeisteri
= †Esthonyx bisculatus Cope, 1874 ??
†Esthonyx gunnelli (Gingerich, 1989)
†Azygonyx gunnelli Gingerich, 1989
†Esthonyx gunnelli (Gingerich); Lucas & Schoch, 1998a
†Esthonyx grangeri Simpson, 1937c
†Esthonyx grangeri Simpson, 1937c
†Azygonyx grangeri (Simpson) Gingerich, 1989
†Esthonyx grangeri Simpson; Lucas & Schoch, 1998a
?†Esthonyx munieri
†Esthonyx spatularius Cope, 1880
†Esthonyx spatularius Cope, 1880
†Esthonyx bisulcatus Cope; Delson, 1971
†Esthonyx bisulcatus Cope; Bown, 1979
†Esthonyx bisulcatus Cope; Stucky & Krishtalka, 1983
†Esthonyx spatularius Cope; Gingerich & Gunnell, 1979
†Esthonyx spatularius Cope; McKenna, 1980
†Esthonyx spatularius Cope; Kihm, 1984
†Esthonyx spatularius Cope; Gingerich, 1989
†Esthonyx latidens Simpson, 1937c
†Esthonyx latidens Simpson, 1937c
†Esthonyx grangeri Simpson; Bown, 1979
†Esthonyx grangeri Simpson; Gingerich & Gunnell (1979)
†Azygonyx latidens Gingerich, 1989
†Esthonyx latidens Simpson; Lucas & Schoch, 1998a
†Esthonyx xenicus
†Esthonyx xenicus Gingerich & Gunnell, 1979
†Azygonyx xenicus (Gingerich & Gunnell); Gingerich, 1989
†Esthonyx xenicus Gingerich & Gunnell); Lucas & Schoch, 1998a
Reference(s):
- Alroy, J., 2002: North American fossil mammal systematics database.
–iNet: North American fossil mammal systematics database: http://www.nceas.ucsb.edu/~alroy/nafmsd.html - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631